27298253 has 2 divisors, whose sum is σ = 27298254. Its totient is φ = 27298252.

The previous prime is 27298241. The next prime is 27298261. The reversal of 27298253 is 35289272.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27008809 + 289444 = 5197^2 + 538^2 .

It is a cyclic number.

It is not a de Polignac number, because 27298253 - 2⁴ = 27298237 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27298153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13649126 + 13649127.

It is an arithmetic number, because the mean of its divisors is an integer number (13649127).

Almost surely, 2^27298253 is an apocalyptic number.

It is an amenable number.

27298253 is a deficient number, since it is larger than the sum of its proper divisors (1).

27298253 is an equidigital number, since it uses as much as digits as its factorization.

27298253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 38.

The square root of 27298253 is about 5224.7730094235. The cubic root of 27298253 is about 301.1005980826.

The spelling of 27298253 in words is "twenty-seven million, two hundred ninety-eight thousand, two hundred fifty-three".